225 hp, 364 lbs, neutral below first, and limited to just 10 units. Yowza!
Begin press release:

Aprilia RSV4 X, a special celebratory version of the V4 from Noale made by Aprilia Racing in a limited edition of ten units to celebrate the ten-year anniversary of a project that won seven WSBK titles, is being delivered to the lucky buyers of the most exclusive super sport bike.
The ?launch? of the RSV4 X deliveries was christened by an exceptional tester, Max Biaggi, who decided to take his RSV4 X out on the track immediately, which confirms that this is a special bike for special enthusiasts. One is also on the way for Andrea Iannone, one of Aprilia’s MotoGP riders. Max and Andrea were among the first to place their orders after testing it at a global sneak peek on 23 March at Mugello during the Aprilia All Stars event, the big festival where 10,000 fans participated.
?Tackling the corners at Mugello astride the RSV4 X is always a fantastic thrill! – the six-time world champion commented after taking to the track on 1 and 2 September – On this bike, the sensations are exactly like those of a racing bike and, as soon as I got on it, I felt like I had never quit racing?.
Built on the base of an Aprilia RSV4 1100 Factory – winner of the major comparative tests organised by the most important motorcycle magazines in the world, thereby reaffirming multiple years of technical leadership – in April, the Aprilia RSV4 X was ?sold out? just a few hours...